GOODWILL AND OTHER INTANGIBLE ASSETS, NET - Schedule of goodwill (Details) $ in Millions	9 Months Ended
	Mar. 31, 2025 USD ($)
Goodwill [Roll Forward]
Gross beginning balance	$ 7,945.8
Accumulated impairments beginning balance	(4,040.1)
Net beginning balance	3,905.7
Foreign currency translation	(2.2)
Gross ending balance	7,943.6
Accumulated impairments ending balance	(4,040.1)
Net ending balance	3,903.5
Prestige
Goodwill [Roll Forward]
Gross beginning balance	6,214.6
Accumulated impairments beginning balance	(3,110.3)
Net beginning balance	3,104.3
Foreign currency translation	(1.2)
Gross ending balance	6,213.4
Accumulated impairments ending balance	(3,110.3)
Net ending balance	3,103.1
Consumer Beauty
Goodwill [Roll Forward]
Gross beginning balance	1,731.2
Accumulated impairments beginning balance	(929.8)
Net beginning balance	801.4
Foreign currency translation	(1.0)
Gross ending balance	1,730.2
Accumulated impairments ending balance	(929.8)
Net ending balance	$ 800.4